octave: m4/ax_pthread.m4 annotate

annotate m4/ax_pthread.m4 @ 31246:43a6be589387

doc: New documentation for memoization techniques (bug #60860) vectorize.texi: New section on memoization octave.texi: List new section

author	Arun Giridhar <arungiridhar@gmail.com>
date	Thu, 29 Sep 2022 20:31:52 -0400
parents	9d2a4a270807
children

rev	line source
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	1 # ===========================================================================
24893 a3eb0d746042 doc: use canonical https URLs for all external gnu.org references Mike Miller <mtmiller@octave.org> parents: 24534 diff changeset	2 # https://www.gnu.org/software/autoconf-archive/ax_pthread.html
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	3 # ===========================================================================
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	4 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	5 # SYNOPSIS
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	6 #
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	7 # AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	8 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	9 # DESCRIPTION
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	10 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	11 # This macro figures out how to build C programs using POSIX threads. It
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	12 # sets the PTHREAD_LIBS output variable to the threads library and linker
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	13 # flags, and the PTHREAD_CFLAGS output variable to any special C compiler
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	14 # flags that are needed. (The user can also force certain compiler
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	15 # flags/libs to be tested by setting these environment variables.)
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	16 #
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	17 # Also sets PTHREAD_CC and PTHREAD_CXX to any special C compiler that is
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	18 # needed for multi-threaded programs (defaults to the value of CC
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	19 # respectively CXX otherwise). (This is necessary on e.g. AIX to use the
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	20 # special cc_r/CC_r compiler alias.)
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	21 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	22 # NOTE: You are assumed to not only compile your program with these flags,
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	23 # but also to link with them as well. For example, you might link with
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	24 # $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	25 # $PTHREAD_CXX $CXXFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	26 #
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	27 # If you are only building threaded programs, you may wish to use these
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	28 # variables in your default LIBS, CFLAGS, and CC:
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	29 #
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	30 # LIBS="$PTHREAD_LIBS $LIBS"
97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	31 # CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	32 # CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	33 # CC="$PTHREAD_CC"
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	34 # CXX="$PTHREAD_CXX"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	35 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	36 # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	37 # has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	38 # that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	39 #
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	40 # Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	41 # PTHREAD_PRIO_INHERIT symbol is defined when compiling with
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	42 # PTHREAD_CFLAGS.
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	43 #
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	44 # ACTION-IF-FOUND is a list of shell commands to run if a threads library
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	45 # is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	46 # is not found. If ACTION-IF-FOUND is not specified, the default action
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	47 # will define HAVE_PTHREAD.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	48 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	49 # Please let the authors know if this macro fails on any platform, or if
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	50 # you have any other suggestions or comments. This macro was based on work
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	51 # by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	52 # from M. Frigo), as well as ac_pthread and hb_pthread macros posted by
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	53 # Alejandro Forero Cuervo to the autoconf macro repository. We are also
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	54 # grateful for the helpful feedback of numerous users.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	55 #
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	56 # Updated for Autoconf 2.68 by Daniel Richard G.
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	57 #
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	58 # LICENSE
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	59 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	60 # Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	61 # Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	62 # Copyright (c) 2019 Marc Stevens <marc.stevens@cwi.nl>
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	63 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	64 # This program is free software: you can redistribute it and/or modify it
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	65 # under the terms of the GNU General Public License as published by the
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	66 # Free Software Foundation, either version 3 of the License, or (at your
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	67 # option) any later version.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	68 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	69 # This program is distributed in the hope that it will be useful, but
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	70 # WITHOUT ANY WARRANTY; without even the implied warranty of
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	71 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	72 # Public License for more details.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	73 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	74 # You should have received a copy of the GNU General Public License along
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 19300 diff changeset	75 # with this program. If not, see <https://www.gnu.org/licenses/>.
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	76 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	77 # As a special exception, the respective Autoconf Macro's copyright owner
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	78 # gives unlimited permission to copy, distribute and modify the configure
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	79 # scripts that are the output of Autoconf when processing the Macro. You
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	80 # need not follow the terms of the GNU General Public License when using
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	81 # or distributing such scripts, even though portions of the text of the
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	82 # Macro appear in them. The GNU General Public License (GPL) does govern
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	83 # all other use of the material that constitutes the Autoconf Macro.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	84 #
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	85 # This special exception to the GPL applies to versions of the Autoconf
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	86 # Macro released by the Autoconf Archive. When you make and distribute a
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	87 # modified version of the Autoconf Macro, you may extend this special
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	88 # exception to the GPL to apply to your modified version as well.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	89
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	90 #serial 31
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	91
97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	92 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	93 AC_DEFUN([AX_PTHREAD], [
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	94 AC_REQUIRE([AC_CANONICAL_HOST])
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	95 AC_REQUIRE([AC_PROG_CC])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	96 AC_REQUIRE([AC_PROG_SED])
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	97 AC_LANG_PUSH([C])
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	98 ax_pthread_ok=no
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	99
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	100 # We used to check for pthread.h first, but this fails if pthread.h
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	101 # requires special compiler flags (e.g. on Tru64 or Sequent).
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	102 # It gets checked for in the link test anyway.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	103
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	104 # First of all, check if the user has set any of the PTHREAD_LIBS,
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	105 # etcetera environment variables, and if threads linking works using
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	106 # them:
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	107 if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	108 ax_pthread_save_CC="$CC"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	109 ax_pthread_save_CFLAGS="$CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	110 ax_pthread_save_LIBS="$LIBS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	111 AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	112 AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	113 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	114 LIBS="$PTHREAD_LIBS $LIBS"
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	115 AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	116 AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	117 AC_MSG_RESULT([$ax_pthread_ok])
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	118 if test "x$ax_pthread_ok" = "xno"; then
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	119 PTHREAD_LIBS=""
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	120 PTHREAD_CFLAGS=""
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	121 fi
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	122 CC="$ax_pthread_save_CC"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	123 CFLAGS="$ax_pthread_save_CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	124 LIBS="$ax_pthread_save_LIBS"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	125 fi
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	126
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	127 # We must check for the threads library under a number of different
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	128 # names; the ordering is very important because some systems
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	129 # (e.g. DEC) have both -lpthread and -lpthreads, where one of the
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	130 # libraries is broken (non-POSIX).
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	131
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	132 # Create a list of thread flags to try. Items with a "," contain both
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	133 # C compiler flags (before ",") and linker flags (after ","). Other items
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	134 # starting with a "-" are C compiler flags, and remaining items are
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	135 # library names, except for "none" which indicates that we try without
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	136 # any flags at all, and "pthread-config" which is a program returning
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	137 # the flags for the Pth emulation library.
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	138
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	139 ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	140
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	141 # The ordering is (sometimes) important. Some notes on the
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	142 # individual items follow:
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	143
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	144 # pthreads: AIX (must check this before -lpthread)
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	145 # none: in case threads are in libc; should be tried before -Kthread and
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	146 # other compiler flags to prevent continual compiler warnings
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	147 # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	148 # -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	149 # (Note: HP C rejects this with "bad form for `-t' option")
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	150 # -pthreads: Solaris/gcc (Note: HP C also rejects)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	151 # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	152 # doesn't hurt to check since this sometimes defines pthreads and
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	153 # -D_REENTRANT too), HP C (must be checked before -lpthread, which
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	154 # is present but should not be used directly; and before -mthreads,
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	155 # because the compiler interprets this as "-mt" + "-hreads")
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	156 # -mthreads: Mingw32/gcc, Lynx/gcc
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	157 # pthread: Linux, etcetera
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	158 # --thread-safe: KAI C++
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	159 # pthread-config: use pthread-config program (for GNU Pth library)
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	160
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	161 case $host_os in
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	162
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	163 freebsd*)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	164
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	165 # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	166 # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	167
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	168 ax_pthread_flags="-kthread lthread $ax_pthread_flags"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	169 ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	170
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	171 hpux*)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	172
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	173 # From the cc(1) man page: "[-mt] Sets various -D flags to enable
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	174 # multi-threading and also sets -lpthread."
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	175
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	176 ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	177 ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	178
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	179 openedition*)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	180
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	181 # IBM z/OS requires a feature-test macro to be defined in order to
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	182 # enable POSIX threads at all, so give the user a hint if this is
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	183 # not set. (We don't define these ourselves, as they can affect
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	184 # other portions of the system API in unpredictable ways.)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	185
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	186 AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	187 [
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	188 # if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	189 AX_PTHREAD_ZOS_MISSING
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	190 # endif
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	191 ],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	192 [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	193 ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	194
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	195 solaris*)
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	196
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	197 # On Solaris (at least, for some versions), libc contains stubbed
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	198 # (non-functional) versions of the pthreads routines, so link-based
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	199 # tests will erroneously succeed. (N.B.: The stubs are missing
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	200 # pthread_cleanup_push, or rather a function called by this macro,
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	201 # so we could check for that, but who knows whether they'll stub
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	202 # that too in a future libc.) So we'll check first for the
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	203 # standard Solaris way of linking pthreads (-mt -lpthread).
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	204
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	205 ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	206 ;;
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	207 esac
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	208
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	209 # Are we compiling with Clang?
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	210
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	211 AC_CACHE_CHECK([whether $CC is Clang],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	212 [ax_cv_PTHREAD_CLANG],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	213 [ax_cv_PTHREAD_CLANG=no
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	214 # Note that Autoconf sets GCC=yes for Clang as well as GCC
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	215 if test "x$GCC" = "xyes"; then
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	216 AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	217 [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	218 # if defined(__clang__) && defined(__llvm__)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	219 AX_PTHREAD_CC_IS_CLANG
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	220 # endif
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	221 ],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	222 [ax_cv_PTHREAD_CLANG=yes])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	223 fi
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	224 ])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	225 ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	226
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	227
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	228 # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	229
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	230 # Note that for GCC and Clang -pthread generally implies -lpthread,
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	231 # except when -nostdlib is passed.
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	232 # This is problematic using libtool to build C++ shared libraries with pthread:
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	233 # [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	234 # [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	235 # [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	236 # To solve this, first try -pthread together with -lpthread for GCC
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	237
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	238 AS_IF([test "x$GCC" = "xyes"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	239 [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"])
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	240
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	241 # Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	242
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	243 AS_IF([test "x$ax_pthread_clang" = "xyes"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	244 [ax_pthread_flags="-pthread,-lpthread -pthread"])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	245
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	246
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	247 # The presence of a feature test macro requesting re-entrant function
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	248 # definitions is, on some systems, a strong hint that pthreads support is
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	249 # correctly enabled
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	250
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	251 case $host_os in
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	252 darwin* \| hpux* \| linux* \| osf* \| solaris*)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	253 ax_pthread_check_macro="_REENTRANT"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	254 ;;
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	255
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	256 aix*)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	257 ax_pthread_check_macro="_THREAD_SAFE"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	258 ;;
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	259
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	260 *)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	261 ax_pthread_check_macro="--"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	262 ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	263 esac
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	264 AS_IF([test "x$ax_pthread_check_macro" = "x--"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	265 [ax_pthread_check_cond=0],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	266 [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	267
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	268
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	269 if test "x$ax_pthread_ok" = "xno"; then
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	270 for ax_pthread_try_flag in $ax_pthread_flags; do
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	271
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	272 case $ax_pthread_try_flag in
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	273 none)
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	274 AC_MSG_CHECKING([whether pthreads work without any flags])
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	275 ;;
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	276
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	277 ,)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	278 PTHREAD_CFLAGS=`echo $ax_pthread_try_flag \| sed "s/^$.$,$.$$/\1/"`
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	279 PTHREAD_LIBS=`echo $ax_pthread_try_flag \| sed "s/^$.$,$.$$/\2/"`
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	280 AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	281 ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	282
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	283 -*)
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	284 AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	285 PTHREAD_CFLAGS="$ax_pthread_try_flag"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	286 ;;
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	287
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	288 pthread-config)
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	289 AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	290 AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	291 PTHREAD_CFLAGS="`pthread-config --cflags`"
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	292 PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	293 ;;
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	294
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	295 *)
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	296 AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	297 PTHREAD_LIBS="-l$ax_pthread_try_flag"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	298 ;;
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	299 esac
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	300
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	301 ax_pthread_save_CFLAGS="$CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	302 ax_pthread_save_LIBS="$LIBS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	303 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	304 LIBS="$PTHREAD_LIBS $LIBS"
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	305
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	306 # Check for various functions. We must include pthread.h,
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	307 # since some functions may be macros. (On the Sequent, we
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	308 # need a special flag -Kthread to make this header compile.)
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	309 # We check for pthread_join because it is in -lpthread on IRIX
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	310 # while pthread_create is in libc. We check for pthread_attr_init
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	311 # due to DEC craziness with -lpthreads. We check for
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	312 # pthread_cleanup_push because it is one of the few pthread
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	313 # functions on Solaris that doesn't have a non-functional libc stub.
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	314 # We try pthread_create on general principles.
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	315
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	316 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	317 # if $ax_pthread_check_cond
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	318 # error "$ax_pthread_check_macro must be defined"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	319 # endif
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	320 static void *some_global = NULL;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	321 static void routine(void *a)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	322 {
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	323 /* To avoid any unused-parameter or
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	324 unused-but-set-parameter warning. */
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	325 some_global = a;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	326 }
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	327 static void start_routine(void a) { return a; }],
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	328 [pthread_t th; pthread_attr_t attr;
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	329 pthread_create(&th, 0, start_routine, 0);
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	330 pthread_join(th, 0);
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	331 pthread_attr_init(&attr);
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	332 pthread_cleanup_push(routine, 0);
ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	333 pthread_cleanup_pop(0) /* ; */])],
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	334 [ax_pthread_ok=yes],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	335 [])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	336
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	337 CFLAGS="$ax_pthread_save_CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	338 LIBS="$ax_pthread_save_LIBS"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	339
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	340 AC_MSG_RESULT([$ax_pthread_ok])
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	341 AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	342
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	343 PTHREAD_LIBS=""
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	344 PTHREAD_CFLAGS=""
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	345 done
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	346 fi
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	347
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	348
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	349 # Clang needs special handling, because older versions handle the -pthread
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	350 # option in a rather... idiosyncratic way
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	351
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	352 if test "x$ax_pthread_clang" = "xyes"; then
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	353
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	354 # Clang takes -pthread; it has never supported any other flag
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	355
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	356 # (Note 1: This will need to be revisited if a system that Clang
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	357 # supports has POSIX threads in a separate library. This tends not
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	358 # to be the way of modern systems, but it's conceivable.)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	359
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	360 # (Note 2: On some systems, notably Darwin, -pthread is not needed
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	361 # to get POSIX threads support; the API is always present and
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	362 # active. We could reasonably leave PTHREAD_CFLAGS empty. But
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	363 # -pthread does define _REENTRANT, and while the Darwin headers
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	364 # ignore this macro, third-party headers might not.)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	365
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	366 # However, older versions of Clang make a point of warning the user
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	367 # that, in an invocation where only linking and no compilation is
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	368 # taking place, the -pthread option has no effect ("argument unused
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	369 # during compilation"). They expect -pthread to be passed in only
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	370 # when source code is being compiled.
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	371 #
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	372 # Problem is, this is at odds with the way Automake and most other
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	373 # C build frameworks function, which is that the same flags used in
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	374 # compilation (CFLAGS) are also used in linking. Many systems
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	375 # supported by AX_PTHREAD require exactly this for POSIX threads
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	376 # support, and in fact it is often not straightforward to specify a
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	377 # flag that is used only in the compilation phase and not in
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	378 # linking. Such a scenario is extremely rare in practice.
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	379 #
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	380 # Even though use of the -pthread flag in linking would only print
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	381 # a warning, this can be a nuisance for well-run software projects
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	382 # that build with -Werror. So if the active version of Clang has
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	383 # this misfeature, we search for an option to squash it.
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	384
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	385 AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	386 [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	387 [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	388 # Create an alternate version of $ac_link that compiles and
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	389 # links in two steps (.c -> .o, .o -> exe) instead of one
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	390 # (.c -> exe), because the warning occurs only in the second
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	391 # step
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	392 ax_pthread_save_ac_link="$ac_link"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	393 ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	394 ax_pthread_link_step=`AS_ECHO(["$ac_link"]) \| sed "$ax_pthread_sed"`
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	395 ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	396 ax_pthread_save_CFLAGS="$CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	397 for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	398 AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	399 CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	400 ac_link="$ax_pthread_save_ac_link"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	401 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	402 [ac_link="$ax_pthread_2step_ac_link"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	403 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	404 [break])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	405 ])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	406 done
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	407 ac_link="$ax_pthread_save_ac_link"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	408 CFLAGS="$ax_pthread_save_CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	409 AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	410 ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	411 ])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	412
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	413 case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	414 no \| unknown) ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	415 *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	416 esac
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	417
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	418 fi # $ax_pthread_clang = yes
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	419
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	420
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	421
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	422 # Various other checks:
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	423 if test "x$ax_pthread_ok" = "xyes"; then
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	424 ax_pthread_save_CFLAGS="$CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	425 ax_pthread_save_LIBS="$LIBS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	426 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	427 LIBS="$PTHREAD_LIBS $LIBS"
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	428
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	429 # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	430 AC_CACHE_CHECK([for joinable pthread attribute],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	431 [ax_cv_PTHREAD_JOINABLE_ATTR],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	432 [ax_cv_PTHREAD_JOINABLE_ATTR=unknown
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	433 for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	434 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	435 [int attr = $ax_pthread_attr; return attr /* ; */])],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	436 [ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	437 [])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	438 done
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	439 ])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	440 AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	441 test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	442 test "x$ax_pthread_joinable_attr_defined" != "xyes"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	443 [AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	444 [$ax_cv_PTHREAD_JOINABLE_ATTR],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	445 [Define to necessary symbol if this constant
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	446 uses a non-standard name on your system.])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	447 ax_pthread_joinable_attr_defined=yes
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	448 ])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	449
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	450 AC_CACHE_CHECK([whether more special flags are required for pthreads],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	451 [ax_cv_PTHREAD_SPECIAL_FLAGS],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	452 [ax_cv_PTHREAD_SPECIAL_FLAGS=no
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	453 case $host_os in
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	454 solaris*)
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	455 ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	456 ;;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	457 esac
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	458 ])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	459 AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	460 test "x$ax_pthread_special_flags_added" != "xyes"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	461 [PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	462 ax_pthread_special_flags_added=yes])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	463
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	464 AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	465 [ax_cv_PTHREAD_PRIO_INHERIT],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	466 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	467 [[int i = PTHREAD_PRIO_INHERIT;
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	468 return i;]])],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	469 [ax_cv_PTHREAD_PRIO_INHERIT=yes],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	470 [ax_cv_PTHREAD_PRIO_INHERIT=no])
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	471 ])
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	472 AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	473 test "x$ax_pthread_prio_inherit_defined" != "xyes"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	474 [AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	475 ax_pthread_prio_inherit_defined=yes
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	476 ])
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	477
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	478 CFLAGS="$ax_pthread_save_CFLAGS"
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	479 LIBS="$ax_pthread_save_LIBS"
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	480
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	481 # More AIX lossage: compile with *_r variant
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	482 if test "x$GCC" != "xyes"; then
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	483 case $host_os in
d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	484 aix*)
d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	485 AS_CASE(["x/$CC"],
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	486 [x/c89\|x/c89_128\|x/c99\|x/c99_128\|x/cc\|x/cc128\|x/xlc\|x/xlc_v6\|x/xlc128\|x/xlc128_v6],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	487 [#handle absolute path differently from PATH based program lookup
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	488 AS_CASE(["x$CC"],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	489 [x/*],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	490 [
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	491 AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	492 AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	493 ],
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	494 [
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	495 AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	496 AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])])
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	497 ]
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	498 )
9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	499 ])
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	500 ;;
d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	501 esac
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	502 fi
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	503 fi
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	504
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	505 test -n "$PTHREAD_CC" \|\| PTHREAD_CC="$CC"
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	506 test -n "$PTHREAD_CXX" \|\| PTHREAD_CXX="$CXX"
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	507
d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	508 AC_SUBST([PTHREAD_LIBS])
d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	509 AC_SUBST([PTHREAD_CFLAGS])
d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	510 AC_SUBST([PTHREAD_CC])
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	511 AC_SUBST([PTHREAD_CXX])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	512
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	513 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
30288 9d2a4a270807 build: Update autoconf macros. Markus Mützel <markus.muetzel@gmx.de> parents: 24893 diff changeset	514 if test "x$ax_pthread_ok" = "xyes"; then
19300 d6240c099a02 build: Update m4 macros to their latest versions (bug #43517). Rik <rik@octave.org> parents: 15153 diff changeset	515 ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	516 :
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	517 else
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	518 ax_pthread_ok=no
9497 54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	519 $2
54ae52abd4c9 add missing file Jaroslav Hajek <highegg@gmail.com> parents: diff changeset	520 fi
15153 ba431d1106e3 build: Update ax_XXX macros in m4 directory to newest versions. Rik <rik@octave.org> parents: 10951 diff changeset	521 AC_LANG_POP
10951 97b8d462ef11 Update m4 macros. Ben Abbott <bpabbott@mac.com> parents: 9645 diff changeset	522 ])dnl AX_PTHREAD

Mercurial > octave

annotate m4/ax_pthread.m4 @ 31246:43a6be589387